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  • Title: Comparative evaluation of virological and serological methods in prenatal diagnosis of parvovirus B19 fetal hydrops.
    Author: Zerbini M, Musiani M, Gentilomi G, Venturoli S, Gallinella G, Morandi R.
    Journal: J Clin Microbiol; 1996 Mar; 34(3):603-8. PubMed ID: 8904423.
    Abstract:
    Human parvovirus B19 infection in pregnancy represents a potential hazard to the fetus since fetal loss or fetal hydrops can occur. The risk of fetal loss due to transplacental B19 transmission has been evaluated in several studies using different diagnostic methods on maternal and fetal specimens. We analyzed the diagnostic value of virological and serological techniques on maternal serum, fetal cord blood, and amniotic fluid specimens obtained at the time of clinical diagnosis of fetal hydrops in 18 cases of B19 fetal hydrops. B19 DNA was detected by nested PCR, dot blot hybridization, and in situ hybridization assay. Anti-B19 immunoglobulin M and G antibodies were detected by immunoassays using recombinant B19 antigens. Our data suggest that for maternal sera, virological and serological methods have a complementary role in diagnosis, while for fetal specimens the in situ detection of B19 DNA in fetal cord blood is the most sensitive diagnostic system.
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